Radial Engineering JDI Duplex Premium Stereo Passive DI Box

Radial EngineeringSKU: R800 1020 00

Price:
Sale price €499.00

The JDI Duplex is a high performance 2-channel passive direct box designed for enhanced connectivity for any application, with numerous input connector types and premium Jensen transformers for exceptional audio performance.

Unparalleled tone, multiple connector options

The JDI Duplex takes the exceptional transparency and wide bandwidth of the JDI Stereo passive direct box, and adds numerous connector types and line-level inputs to provide the audio technician with the ability to interface with any stereo sound source. Designed to handle extreme signal levels without distortion, it utilizes two world-class Jensen JT-DB-EPC audio transformers to deliver a smooth, warm sounding Bessel curve - reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase deviation, the JDI Duplex delivers the natural, pure sound of the instrument without artifact. The inputs can be accessed via 1/4", RCA, 3.5mm TRS, or XLR line-level connectors, making it easy to plug in any sound source, from stereo instruments to consumer playback equipment, or professional +4dB line-level audio equipment.

Features:

  • Jensen transformer equipped passive DI
  • Eliminates hum and buzz from ground loops
  • 1/4, 3.5mm, RCA, and XLR inputs to connect to any source
  • Exceptional signal handling and noise rejection

JDI Duplex Applications

Duplex in Multimedia System

Whether you have a CD player, iPod, computer or professional +4dB balanced source, the Duplex can handle any situation.


Duplex with Stereo Keyboard

The Duplex is able to withstand huge transients without distortion. This gives digital keyboards a warm, smooth vintage tone.


Duplex with Two Stereo Sources

With the dual stereo architecture, the Duplex can easily be set up to handle two different stereo sources at the same time.

Specifications

 

Audio circuit type:

Passive, transformer based

Transformer:

Jensen JT-DBE

Number of channels:

2

Frequency response:

20Hz ~ 20kHz at +/- 0.2dB

Dynamic range:

135dB

Total harmonic distortion:

0.001%; 1kHz/+4dBu; 600 Ohm load

Phase Deviation:

-1° @ 20Hz; 0.5° @ 150Hz; 600 Ohm load

Input Impedance:

140k Ohm PAD off; 10k Ohm PAD on

Output Impedance:

600 Ohms

Maximum Input:

+20dB @ 1kHz

Features

Input pad, Mono Sum, 180° polarity reverse, Ground lift

Input Connectors:

1/4", RCA, 3.5mm, XLR

Output Connectors:

XLR, 1/4" thru

Extras:

Line Level or hi-Z input

General

Construction:

14 gauge steel chassis & outer shell

Size (L x W x D):

160mm x 48 x 127mm (6.3" x 1.9" x 5")

Weight:

1kg (2.2lbs)

Shipping size (L x W x D):

210 x 159 x 83mm (8.25" x 6.25" x 3.25")

Shipping weight:

1.43 kg (3.15 lbs)

Power:

Passive, no power required

Conditions:

For use in dry locations only between 5°C and 40°C

Warranty:

Radial 3-year, transferable

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